Pressure regulating valve



FIG. 1 is a perspective view of a pressure regulating valve showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line in the drawings are included for the purpose of illustrating elements of the pressure regulating valve and form no part of the claimed design. 

CLAIM We claim the ornamental design for a pressure regulating valve, as shown and described. 